Retractable ladder



FIG. 1 is a perspective view of a retractable ladder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a right elevational view thereof, the left elevational view being a mirror image of FIG. 4;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the drawings are included for the purpose of illustrating portions of the retractable ladder and form no part of the claimed design. 

CLAIM The ornamental design for a retractable ladder, as shown and described. 